CN105144426A - Fixing element, battery, and method for producing said battery - Google Patents
Fixing element, battery, and method for producing said battery Download PDFInfo
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- CN105144426A CN105144426A CN201480022013.7A CN201480022013A CN105144426A CN 105144426 A CN105144426 A CN 105144426A CN 201480022013 A CN201480022013 A CN 201480022013A CN 105144426 A CN105144426 A CN 105144426A
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- retaining element
- battery unit
- electrode plate
- battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/16—Suspending or supporting electrodes or groups of electrodes in the case
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
- H01M50/541—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges for lead-acid accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4214—Arrangements for moving electrodes or electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/70—Arrangements for stirring or circulating the electrolyte
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention relates to a fixing element (1) for mechanically fixing an electrode plate set (42) of an electrochemical battery (30) in a cell chamber (51, 52, 53, 54, 55, 56) of a housing (33, 34) of the battery (30), wherein the housing (33, 34) has one or more cell chambers, and each cell chamber is designed to accommodate an electrode plate set (42), wherein the fixing element (1) has at least one first fixing region (2, 3) which is designed to contact the electrode plate set (42) to be fixed, characterized in that the fixing element (1) is additionally designed to mechanically fix at least one cell connecting element (35, 36) of the electrode plate set (42) mechanically fixed by the fixing element (1), the cell connecting element (35, 36) being provided for electrically contacting the electrode plate set (42) with an adjacent electrode plate set (42) or a connection terminal (31, 32) of the battery (30), and the fixing element (1) having at least one second fixing region (4, 5) for fixing the cell connecting element (35, 36), the at least one second fixing region being designed to contact the cell connecting element (35, 36) to be fixed. The invention further relates to a battery having such a fixing element and a method for producing such a battery.
Description
The present invention relates to a kind of retaining element for mechanically fixing the electrode plate groups of electrochemical storage cell in the battery unit room of the housing at storage battery as described in the preamble according to claim 1.The present invention relates to a kind of storage battery of having a this retaining element according to according to claim 15 and a kind of according to the method for the manufacture of this storage battery according to claim 16 in addition.
The field of relate generally to electrochemical storage cell of the present invention.This storage battery such as in automotive field the form of starter battery be used widely.The field of the invention not only relates to the electrochemical storage cell with liquid electrolyte but also the electrochemical storage cell with non liquid state electrolyte.
The invention particularly relates to the lead acid accumulator with positive and negative battery lead plate, these battery lead plates form electrode plate groups, and the battery lead plate of at least one polarity in battery lead plate is sealed in dividing plate (separator).This storage battery is such as known from EP1077496A2.
In the operation such as at motor vehicle, this storage battery suffers strong vibration or tilting force.The parts of storage battery thus, especially electrode plate groups can be damaged, and this may cause the shortening of the life of storage battery.
The present invention is based on of task is to provide the possibility of the anti-vibration improving this storage battery further.
This task is solved by a kind of retaining element for mechanically fixing the electrode plate groups of electrochemical storage cell in the battery unit room of the housing at storage battery according to claim 1, wherein, housing has one or more battery unit room and each battery unit room is designed to accommodation electrode plate groups, wherein, retaining element has at least one first fixed area, this first fixed area be designed to by with electrode plate groups directly or indirectly Mechanical Contact carry out mechanically fixed plate electrode group, wherein, retaining element is additionally designed at least one the battery unit Connection Element mechanically fixing the electrode plate groups of mechanically being fixed by retaining element, wherein, battery unit Connection Element is arranged for electrode plate groups and adjacent electrode plate groups or the splicing ear electrical contact with storage battery, and wherein, retaining element has at least one second fixed area for self-contained battery unit Connection Element, this second fixed area be designed to by with battery unit Connection Element directly or indirectly Mechanical Contact carry out mechanically self-contained battery unit Connection Element.When direct Mechanical Contact, the first fixed area can contact with electrode plate groups, or the second fixed area can contact with battery unit Connection Element.When indirectly Mechanical Contact, in the first fixed area and electrode plate groups or between the second fixed area and battery unit Connection Element, force transmission mechanism can be set, such as bonding agent, cement or elastic component respectively.
The present invention has advantage; namely can mechanically fixed plate electrode group and battery unit Connection Element by one and identical retaining element, and the main element be therefore arranged in the battery unit room of the housing of storage battery has been fixed and the therefore protected damage exempted from about vibration.Not only the machinery of electrode plate groups but also at least one battery unit Connection Element is fixing can realize advantageous by single retaining element.When especially producing electrochemical storage cell by batch, this has significant advantage and causes the rationalization of manufacture process, because no longer need use multiple independent parts and coordinate and be fixed on housing wall, but each battery unit room only needs to insert one or two retaining element.By can reduce and absorb not only battery cell connector according to retaining element of the present invention with the kinergety of the electrode plate groups of battery unit room, this kinergety is caused by the vibration of storage battery and motion, such as, motor vehicle owing to travelling.Can reliably prevent the battery lead plate of battery cell connector and electrode plate groups from suffering irreversible damage thus.
Certain referring to multiple battery lead plate as electrode plate groups is arranged, such as alternately positive and negative battery lead plate.Such as can be encapsulated in dividing plate to the battery lead plate of major general's polarity in the case.The layout of battery lead plate that is that then refer to encapsulation as electrode plate groups and/or that do not encapsulate.If dividing plate protrudes from battery lead plate in upside, the directly or indirectly Mechanical Contact so preferably or only by the first fixed area and outstanding dividing plate realizes fixing the machinery of electrode plate groups.
The present invention is applicable to all types of electrochemical storage cell in principle.At so-called commercial vehicle battery, namely prove particularly advantageous for commercial car as used the present invention in the storage battery of truck, bus, trailer and trailer.In the motor vehicle of these types, the storage battery of use bears extra high vibrational loading.
Likely retaining element is fixed on via the first fixed area on the battery unit Connection Element being fixed in electrode plate groups and via the second fixed area and will fixing.Realize electrode plate groups thus to fix relative at least one of battery unit Connection Element, this has also produced the effect reducing vibration.Alternatively or additionally, retaining element also can with the parts of the housing of storage battery, such as housing wall, connect.The fixing vibrational loading with reducing further to act on these elements of electrode plate groups and battery unit Connection Element can be promoted thus further.
According to a favourable expansion scheme of the present invention, retaining element has multiple spaced link district, and they are designed to housing retaining element being fixed on storage battery.This has advantage, namely retaining element can be installed in storage battery housing on and can prevent thus or at least reduce the motion relative to the housing of storage battery of electrode plate groups and battery unit Connection Element.Retaining element especially can have at least three spaced link districts.That can realize retaining element mechanically limiting on accumulator housing thus, firm installation, this installation is static determinacy in addition.
According to a favourable expansion scheme of the present invention, one, multiple or whole link district is formed in the perimeter of the retaining element deviated from from the center of described retaining element.These link district such as can be designed to outside mounting surface, such as welding or gluing of surfaces.
According to a favourable expansion scheme of the present invention, one, multiple or whole link district be designed to be arranged on storage battery inner shell body wall on or storage battery battery unit room inner shell body wall on.This allows by retaining element simply and to be positioned at rapidly in accumulator housing or in the battery unit room of accumulator housing and be fixed on rapidly on one or more inner shell body wall.
According to a favourable expansion scheme of the present invention, one, multiple or whole link district is designed to be mounted on accumulator housing by means of adhesion, particularly by molded, fusing, welds or is adhesively fixed on accumulator housing.This also allows manufacture storage battery is rationalized, because retaining element can be fixed on accumulator housing simply and fastly.Adhere to connect and guarantee that retaining element is arranged on the enough steadinesss on accumulator housing in addition.
According to a favourable expansion scheme of the present invention, retaining element is configured to fixed bridge, and it to be designed to be arranged on the opposite wall of at least two of battery unit room and the bridge formed thus between these walls.This allows stable installation on accumulator housing of retaining element and allows the element that will fix, i.e. electrode plate groups and battery unit Connection Element simultaneously, reliable machinery fix.
According to a favourable expansion scheme of the present invention, retaining element is designed to be disposed in battery unit room above electrode plate groups relative to electrochemical storage cell according to the normal mounting position of specification.On normal mounting position, the bottom of accumulator housing is usually horizontal and is positioned at below.By retaining element is arranged in above electrode plate groups, can retaining element be located and be then connected with housing from top by battery unit Connection Element simply with rapidly after electrode insertion plate group during manufacture storage battery.Electrode plate groups and battery unit Connection Element then for intentional and object to be clamped between retaining element and the bottom of accumulator housing and reliably to be fixed thus.
According to a favourable expansion scheme of the present invention, retaining element is designed to side by side fixed and arranged at least two battery unit Connection Elements of the electrode plate groups at the opposed stub area place of electrode plate groups and has two corresponding fixed areas for this reason.Promote the function of retaining element thus further.Therefore, single retaining element can simultaneously mechanically fixed plate electrode group and two battery unit Connection Elements and protect them to exempt from vibrational loading.
If retaining element is designed to fixed plate electrode group and an only battery unit Connection Element, so can say that this retaining element can be configured to " half " retaining element as aforementioned type or " half " fixed bridge.Use two retaining elements to fix two battery unit Connection Elements of a battery unit room, they fix the electrode plate groups of a battery unit Connection Element together with this battery unit room respectively.
According to a favourable expansion scheme of the present invention, retaining element is symmetric design, especially about an axis of symmetry specular.This has advantage, namely simplifies retaining element and fits into its installation site in battery unit room, because do not need to follow the orientation determined.In fact, retaining element can not only second orientation of 180 ° be installed in the first orientation but also being turned over therewith and all similarly fulfil its function in both cases.
According to a favourable expansion scheme of the present invention, retaining element be designed to respectively about electrochemical storage cell according to specification normal mounting position in vertical direction with mechanically fixed plate electrode group and/or battery unit Connection Element in the horizontal direction simultaneously.This fixedly can be implemented in the housing of storage battery on multiple direction in space arranges battery unit Connection Element and electrode plate groups special underload, the damage that component described is thus exempted from vibration force by reliably protecting especially and causes thus.
Electrode plate groups and/or battery unit Connection Element in the horizontal direction fixing can be realized by corresponding chucking power and consequent frictional force between retaining element and electrode plate groups or battery unit Connection Element, or by bonding agent or additionally or alternatively by the be correspondingly shaped first and/or second fixed area of retaining element, they can be formed and being just connected of electrode plate groups/battery unit Connection Element.
According to a favourable expansion scheme of the present invention, retaining element has at least one buffer element be made up of certain material on the bottom surface towards the electrode plate groups that will fix, and this material has the elasticity higher than the material of retaining element.Retaining element such as can be manufactured by polypropylene (PP).Buffer element such as can be made up of elastomer, such as, with the form of the element of rubber type.Especially thermoplastic elastomer (TPE) can be used.This has advantage, and namely buffer element can be molded on retaining element.Alternatively, buffer element also can be bonded in or screw thread twist be connected on retaining element.
According to a favourable expansion scheme of the present invention, buffer element is arranged in the first fixed area on retaining element.Buffer element especially can be designed to the buffer element of bar shaped, and it covers whole first fixed area of retaining element substantially.
According to a favourable expansion scheme of the present invention, retaining element has the link district for one or more hybrid element, this hybrid element is arranged for the liquid electrolyte of mixing accumulator, and/or forms as a component with one or more hybrid element.This hybrid element can promote the multifunctionality of retaining element further.Retaining element can be used as the support of one or more hybrid element simultaneously, thus in order to fixing hybrid element does not need independently component.If one or more hybrid element and retaining element design integratedly, so so a kind of component such as can be manufactured by plastic injection-mouldings at low cost.
According to a favourable expansion scheme of the present invention, retaining element has one or more opening, and this opening is arranged for the splicing ear towards storage battery.This has advantage, and namely the splicing ear of storage battery is routed through this one or more opening, does not need to take special measure thus in installation process when retaining element is fitted in the battery unit room also with splicing ear.In fact, can insert retaining element simply and on this terminal strip, guide retaining element by an opening, this terminal strip is given prominence to through this opening thus.Retaining element can have very pervasive application thus.Advantageously, the opening of retaining element also can be symmetrical design, and the especially design of specular, retaining element is possible relative to the multiple change of the installation site of splicing ear thus.
According to a favourable expansion scheme of the present invention, at least one hybrid element is arranged on retaining element, wherein, hybrid element is designed to be installed to in the housing of the electrochemical storage cell of liquid electrolyte form work, to carry out mixed electrolyte in response to the power be applied at work on storage battery and/or motion, wherein, hybrid element is designed to the ducted body being respectively provided with at least one opening in opposed stub area, passage is formed thus in ducted body, this passage leads at least one corresponding opening and surrounds border by the rings of material of hybrid element around ground there in opposed stub area, by this, hybrid element has a volume space in the region in a upper end region, this region is designed to be disposed in when being installed in housing above the stub area of opposed bottom, the girth of this volume space is greater than the girth being positioned at section below of hybrid element significantly, the section be positioned at below of hybrid element forms the carefully narrow flow channel of the cross-sectional area at least one specific volume space thus, wherein, the girth of ducted body reduces in the direction of the stub area towards bottom below the transition part of carefully narrow flow channel from volume space district in the region of carefully narrow flow channel.
Just use with regard to term " top " and " bottom ", the service position according to specification of these terms instruction storage battery, i.e. substantially horizontal position, on this position, storage battery cover and its filler opening for liquid electrolyte are superposed.Normal at storage battery, according under the action power of specification, allow to be equipped with certain deviation with horizontal position, what such as occur when storage battery works in a motor vehicle is such.The position of 90 ° or 180 ° is such as rotated in service position not in accordance with specification relative to horizontal level.
This expansion scheme of the present invention has advantage, namely improves the electrolytical mixing of the hope of hybrid element further.Can prevent thus or reduce the sour layering in storage battery at least significantly.Acid layering refers to the different sour density on the height of storage battery.Due to the reduction of the girth of ducted body and the reduction of cross-sectional flow area related to this in the region of carefully narrow flow channel, hybrid element allows with the action mixed electrolyte of greater efficiency.Even if hybrid element also can produce mixed effect that can be suitable with the hybrid element of prior art when the motoricity acting on storage battery is very little.
Hybrid element such as can by polypropylene or other suitable flexibility with acidproof material manufacture.
Hybrid element can in its height, namely on the installation site be intended in storage battery in its longitudinal extension in vertical direction, be designed, the periodic circulation of the matter that produces electrolysis under the motoricity of storage battery thus, electrolyte to be overflowed and opening via bottom is discharged again from the top edge of hybrid element, as such as at U5,096, as described in 787.In this case, hybrid element has the function of hydrostatic pump.
According to a favourable expansion scheme of the present invention, hybrid element at least so upwards extends to degree, namely when the motoricity according to specification of storage battery, what such as, occur in motor vehicle under steam is such, prevents liquid electrolyte from the overflow the fringe region on the top of hybrid element.Can advantageously realize connection container principle thus.Connected by the connection in the region of the bottom of hybrid element, namely by the opening of bottom, hybrid element volume space and around battery unit room between force carry out electrolytical back and forth movement and do not make electrolyte circulation, as under the principle of hydrostatic pump.This has advantage, and the sediment that the bottom of storage battery is assembled keeps staying there, because do not have electrolytical circulating.Compulsory electrolyte flow is enough to mix with making electrolyte degree like this thus, namely prevents or at least significantly reduces sour layering.
Connection in the region of the bottom of hybrid element connects, the i.e. opening of bottom, can be through-flow by its liquid electrolyte, can be different designs, such as, with the form in gap or with the form of the one or more openings in the region of the bottom of hybrid element.Above-mentioned opening can be arranged on the different position of hybrid element, preferably certain in the region of the bottom of flow channel.
According to a favourable expansion scheme of the present invention, hybrid element is as independently component manufacture, and it is not inserted in its housing in assembled batteries.Hybrid element such as can be designed to insert the component in the battery unit room of storage battery.This has advantage, and namely hybrid element can manufacture individually and can insert when needed in the battery unit room of storage battery.By this way can with low cost manufacture with hybrid element and the storage battery without hybrid element, and do not require the different injection mold of each casing section of two kinds of modification for the manufacture of storage battery, as this is required when fixing, integrally formed wall elements.In addition also can in a straightforward manner, namely when not relating to a large amount of expenditure of manufacturing equipment, by storage battery from before produce the storage battery being transformed into the integrated mixing with hybrid element form by batch.
Hybrid element especially can be designed to the ducted body of annular, and wherein, annular is not only interpreted as toroidal in this case, but also comprises other annular shape any.Hybrid element such as can be designed to the ducted body substantially closed except the opening except arranging in opposite stub area.This allows to manufacture hybrid element simply, such as, manufactured by plastic material.
Advantageously, hybrid element such as can by means of an inner axis of heart and an outer mold manufacture in injection molding process.Hybrid element also can manufacture ducted body in blow mold fabrication or in deep-draw process.About girth tapered carefully narrow flow channel on the direction of the stub area towards bottom, there is another advantage within this context, namely promote the release property of hybrid element in the fabrication process.
According to a favourable expansion scheme of the present invention, in the region of carefully narrow flow channel, the reduction of girth is discontinuous or shows one or more discontinuous portion on the longitudinal extension part of hybrid element.Produce the reduction gradually of the girth of ducted body thus, the effective action of hybrid element can be improved thus for liquid electrolyte mixing action further.By arranging one or more discontinuous portion in the distribution of flow channel, producing the transition part of one or more scalable stream dynamic resistance and slow down thus or accelerate the exchange of electrolyte in the volume space and storage battery of hybrid element between room.Advantageously, two or three this discontinuous portions such as can be set in the region of carefully narrow flow channel.This discontinuous portion also enhances hybrid element release property in the fabrication process further.
According to a favourable expansion scheme of the present invention, one or more discontinuous portion hybrid element longitudinal extension part Linear extend, namely according to the situation of execution mode, the reduction of girth or the reduction of cross section extend linearly in that region.This permission manufactures hybrid element simply and at low cost.In addition the mechanical stability of carefully narrow flow channel is improved.
According to a favourable expansion scheme of the present invention, hybrid element has at least two separated carefully narrow flow channels, and they are connected with common volume space.One, carefully narrow flow channel that is multiple or that all separate can configure according to the aforementioned feature of carefully narrow flow channel, especially has one or more discontinuous portion.
According to a favourable expansion scheme of the present invention, hybrid element at least has recess on the side of ducted body, and this recess extends and is designed to hold accumulator housing rib in the longitudinal direction of hybrid element.Hybrid element is mechanically fixed in accumulator housing by this permission simply and reliably, as long as this casing structure has inner shell rib.Do not need the mechanical fixed mechanism added in this case.This recess especially can be arranged in the region of volume space or extend in this space, divides volume space thus.
According to a favourable expansion scheme of the present invention, the degree of depth of recess is at least equally large with carefully narrow flow channel development length in the same direction, namely on the bearing of trend of recess.Hybrid element is firmly mechanically fixed in the housing ribs of accumulator housing by this permission especially.Do like this and form at least two carefully narrow flow channels separated further.
According to a favourable expansion scheme of the present invention, hybrid element is laterally arranged in battery cell relative to a flat sides of the electrode of plate shape.Owing to being arranged in the flat sides of the electrode of this plate shape, hybrid element is not activated by the End Force that is outstanding, that weld together of dividing plate shell or keeps, as described in DE102010048428A1 thus.According to a favourable expansion scheme of the present invention, as the maintaining body for the fixing hybrid element of machinery in battery cell, a component be integrated in the housing of storage battery can be set.Especially the housing of storage battery inner housing ribs can be utilized as maintaining body.
Hybrid element also can by means of known joint method, such as Plastic Welding, is connected and is kept in place thus with the housing of storage battery or the housing ribs of inside.
According to a favourable expansion scheme of the present invention, hybrid element is arranged between the electrode of plate shape and housing wall or the housing ribs of inside that formed on housing wall.
According to a favourable expansion scheme of the present invention, the housing of storage battery has a longitudinal extent, it is the full-size of the dimensional height of housing, width and length, and battery lead plate has a longitudinal extent, it is the full-size of the dimensional height of each battery lead plate, width and length, and battery lead plate is directed in this wise in battery cell, and namely the longitudinal extent of battery lead plate extends substantially on the direction of the longitudinal extent of housing.This allows advantageously to settle one or more hybrid element simultaneously in the housing, utilizes advantageously, well in the housing existing to settle a large amount of battery lead plates spatially.
Task described is at the beginning solved by a kind of electrochemical storage cell with housing according to claim 15 in addition, wherein, housing has one or more battery unit room and each battery unit room is designed to accommodation grid group, wherein, a grid group is connected with at least one battery unit Connection Element, this battery unit Connection Element is designed to the splicing ear electrical contact making electrode plate groups and adjacent electrode plate groups or storage battery, wherein, fix the retaining element of at least one aforementioned type in the housing in this wise: namely make retaining element by means of the first fixed area by with electrode plate groups directly or indirectly Mechanical Contact and by electrode plate groups mechanically fixing and by means of the second fixed area by with battery unit Connection Element directly or indirectly Mechanical Contact and battery unit Connection Element is mechanically fixed.
Task described is at the beginning solved by a kind of method for the manufacture of electrochemical storage cell according to claim 16 in addition, and the method has following step:
A) housing of the storage battery with at least one battery unit room is provided,
B) electrode plate groups is inserted in battery unit room,
C) before electrode plate groups being inserted in battery unit room, afterwards or period, at least one battery cell connector is arranged in electrode plate groups,
D) retaining element of aforementioned type is inserted in battery unit room in this wise: namely retaining element is pressed towards electrode plate groups, until retaining element by means of the first fixed area by with electrode plate groups directly or indirectly Mechanical Contact mechanically fixed plate electrode group and by means of the second fixed area by with battery unit Connection Element directly or indirectly Mechanical Contact mechanically self-contained battery unit Connection Element
E) if desired retaining element is fixed on accumulator housing,
F) storage battery is completed.
In order to retaining element is fixed, such as can the link district of retaining element be fixed on accumulator housing, such as connect by setting up to adhere between installing zone and housing, particularly by molded, the fusing in the link district to retaining element, welding or bonding and be fixed on the housing of storage battery.
The present invention is explained in detail under use accompanying drawing by means of embodiment below.
Shown in accompanying drawing:
Fig. 1 is the basic structure of electrochemical storage cell; With
Fig. 2 is the isometric views of a retaining element; With
Fig. 3 is the detail drawing of a battery unit room of storage battery, is inserted with retaining element wherein; With
Fig. 4 is the vertical view of the storage battery of retaining element having multiple battery unit room and insert wherein; With
Fig. 5 is the isometric views of the retaining element with hybrid element fixed thereon; With
Fig. 6 is the vertical view of the storage battery with multiple battery unit room and the retaining element inserted wherein and hybrid element.
Reference numeral identical is in the drawings used to mutually corresponding element.
What Fig. 1 illustrated lead acid accumulator 30 form has housing 33, the electrochemical storage cell of 34, the lower case part 34 that housing has box-shaped and the lid 33 be positioned on lower case part 34.Electrode plate groups 42 is arranged in lower case part 34, and this electrode plate groups is formed by the negative battery lead plate 38 alternately arranged and positive battery lead plate 39.Electrode plate groups 42 is arranged in a battery unit room of storage battery 30.Storage battery 30 can have multiple battery unit room separated, wherein, and the storage battery 30 only having a battery unit room shown in Figure 1.Each battery lead plate 38,39 has electrode plate grid 12, and it is furnished with the active material 37 of pasty state.Battery lead plate 38,39 can be sealed to inside separator material 40, are that is surrounded by separator material.In each case a, battery lead plate has contact spike 45 on end face, and they are connected with battery cell connector 35 or 36.Battery cell connector 35,36 for making the electrode plate groups of electrode plate groups and adjacent battery cell or splicing ear 31,32 electrical contact with storage battery 30.Splicing ear 31,32 is connection contacts of the outside of storage battery.
Fig. 2 illustrates the retaining element 1 of the electrode plate groups for mechanical stationary stroage battery 30.Retaining element 1 is the design of bridge shape and therefore forms a fixed bridge.Retaining element 1 has two the first fixed areas 2,3, and it is designed to mechanical fixed plate electrode group 42.Retaining element 1 illustrates with isometric views in fig. 2, and is in fact on the normal installed position in storage battery 30.First fixed area 2,3 point to downwards thus.When being engaged in the housing 33 of storage battery 30, time in 34, retaining element 1 is placed to electrode plate groups 42 from top.First first fixed area 2,3 now contacts the top edge of dividing plate 38.Retaining element 1 has two the second fixed areas 4,5 in addition, and they are for mechanically self-contained battery unit Connection Element 35,36.When retaining element 1 is fully inserted into, the second fixed area 4,5 contacts with battery unit Connection Element 35,36, and it is mechanically fixed.
Retaining element 1 can be engaged in the battery unit room of storage battery 30 thus, and retaining element 1 is forced into the dividing plate 40 of electrode plate groups 42 from top with corresponding power, until the second fixed area 4,5 also contacts with the battery unit Connection Element 35,36 that will be fixed.In this process, the contingent distortion a little of the top edge of dividing plate 40 can be tolerated.In order at the first fixed area 2,3 and battery lead plate 39, between 40, provide additional cushioning effect, flexible buffer element 16,17 can be arranged betwixt, such as beam shapes, and be fixed on the first fixed area 2,3.Buffer element 16,17 absorb battery lead plate 39 in the mode of elastic damping, the motion of 40.In addition the certain tolerance compensating between contact point that the contact point that contact with battery lead plate 39,40 or dividing plate 40 in the first fixed area 2,3 and the second fixed area 4,5 and battery unit Connection Element 35,36 contact is realized by buffer element 16,17.
As seen at Fig. 2, retaining element 1 is furnished with many openings and has the structure of grating type in subregional.In the second fixed area 4, in the region of 5, retaining element 1 has relatively large, such as thin-and-long or the opening 12 of ellipse, 13, they will be for being arranged in battery unit Connection Element 35, and the corresponding splicing ear on 36 is directed across retaining element 1, retaining element 1 also without any difficulty inserting in battery unit room, can be provided with one or more splicing ear in this battery unit room thus.
Retaining element 1 has other opening 14,15, and they cause the reduction of weight and material.
In the perimeter of the retaining element 1 deviated from from the center of retaining element 1, retaining element has fixed area 6,7,8,9,10, and they are designed to the housing 33 being attached in storage battery 30, on 34.Therefore, link district 6,7 retaining element 1 is attached on mutually opposing housing wall or storage battery battery unit room wall on.The link district 8,9 of the same side pointing to retaining element 1 be attached on same housing wall or storage battery 30 battery unit room wall on.On the side opposed with linking district 8,9, retaining element 1 has central authorities and links district 10, and it has the vertical slit 11 being approximately positioned at center.Fixed area 10 is for being attached to the housing ribs be arranged in the lower case part 34 of storage battery 30 by retaining element 1.When assembling fixing units 1, housing ribs stretches in slit 11.
Retaining element 1 is advantageously arranged on the case material of storage battery 30, and described installation connects realization, such as, by being molded, melting, weld or be bonded on the housing 30 of storage battery by means of adhesion.
Retaining element 1 has link district 19 in addition, and can install one or more hybrid element thereon, described hybrid element is designed to the liquid electrolyte of mixing accumulator.This also will explain by means of Fig. 5 and 6 below.
Fig. 3 illustrates the retaining element 1 corresponding to Fig. 2 in the battery unit room 52 of inserting storage battery 30.Battery unit room 52 is surrounded by the battery unit room 51,53 that the left side is adjacent with the right.Can see, link district 6,7 and be attached on the inner shell body wall 44 opposed accordingly of battery unit room 52.Link district 8,9 to be attached on another housing wall 47 of battery unit room 52.In addition fixed area 10 fixing in housing ribs 43 can be seen.Fig. 3 is also clearly shown that not only via the first fixed area 2,3 simultaneously mechanically fixed plate electrode group 42 or its buffer element 16,17 and via the second fixed area 4,5 self-contained battery unit Connection Element 35,36.
The lower case part 34 of Fig. 4 storage battery 30 shown in view seen from above, and there is no cover part 33.In the example illustrated herein, storage battery 30 has six battery unit rooms 51,52,53,54,55,56, they are substantially suitable design and are assembled with corresponding electrode plate groups 42 and retaining element 1, as described for battery unit room 52 by means of Fig. 3 above.In addition can see, in battery unit room 53, in 54, corresponding electrode plate groups on side with splicing ear 31,32 connect.Splicing ear 31,32 are given prominence to by the corresponding opening 12,13 of retaining element 1 thus.
The retaining element 1 of Fig. 5 Fig. 2 shown in same view, wherein, hybrid element 60 is attached on retaining element 1 in fixed area 19.Hybrid element 60 such as can be placed on retaining element 1 simply, or by molded, fusing, welding or to be bondingly attached on retaining element 1.Hybrid element 60 has volume space 61 in the region on top, and its cross-sectional area is greater than the section of the hybrid element 60 be positioned at below significantly.Volume space 61 is open upwards, for realizing pressure compensation at least amount of liquid changes in volume space 61.Below volume space 61, connect the section 62,63 of cross section that shape is two flow channels separated, that have reduction, they finally lead to the opening 64,65 of corresponding bottom in the end of the bottom of hybrid element 60.Flow channel 62,63 can have the cross section changed in the vertical, the cross section especially narrowed gradually on the direction of the opening 64,65 towards bottom.As exemplarily illustrated in Fig. 5, narrowing of this cross section can such as realize in two steps or in two transition parts.Also more or less step or transition part can be set.Also can arrange from volume space 61 to opening 64, the transition of the constant cross-section of 65.
Hybrid element 60, in the region on top, especially in the region of volume space 61, has recess 66, and it continues downwards with the form of two independently flow channels 62,63.This recess 66 allows hybrid element 60 to be easily fixed in the housing of storage battery, and housing has rib in battery unit room on this position.Advantageously so arrange hybrid element 60: namely recess 66 is at least roughly aimed at the groove 11 of the land 10 of retaining element 1.
The lower case part 34 of Fig. 6 storage battery 30 shown in the view identical with Fig. 5, wherein, whole six battery unit rooms 51,52,53,54,55,56 also all arrange corresponding retaining element 1.Additionally, all batteries element cell 51,52,53,54,55,56 respectively arrange the corresponding hybrid element 60 be attached on corresponding retaining element 1.Hybrid element 60 is so inserted: namely the recess 66 of volume space 61 can guide in housing ribs 43.Housing ribs 43 produces additional fixing effect to hybrid element 60 thus.
Claims (16)
1. one kind for being mechanically fixed on the housing (33 of storage battery (30) by the electrode plate groups (42) of electrochemical storage cell (30), 34) battery unit room (51, 52, 53, 54, 55, 56) retaining element (1) in, wherein, housing (33, 34) there is one or more battery unit room and each battery unit room is designed to hold electrodes plate group (42), wherein, retaining element (1) has at least one first fixed area (2, 3), first fixed area be designed to by with electrode plate groups (42) directly or indirectly Mechanical Contact carry out mechanically fixed plate electrode group (42), it is characterized in that, retaining element (1) is additionally designed to mechanically fix at least one the battery unit Connection Element (35 by the mechanically fixing electrode plate groups (42) of retaining element (1), 36), wherein, battery unit Connection Element (35, 36) splicing ear (31 making electrode plate groups (42) and adjacent electrode plate groups (42) or storage battery (30) is arranged for, 32) electrical contact, and wherein, retaining element (1) has at least one second fixed area (4, 5) for self-contained battery unit Connection Element (35, 36), this second fixed area be designed to by with battery unit Connection Element (35, 36) directly or indirectly Mechanical Contact carrys out mechanically self-contained battery unit Connection Element (35, 36).
2. retaining element according to claim 1, it is characterized in that, retaining element (1) has multiple, especially at least three, spaced link district (6,7,8,9,10), these link district and are designed to be fixed on by retaining element (1) on the housing (33,34) of storage battery (30).
3. retaining element according to claim 2, is characterized in that, forms one, multiple or whole link districts (6 in the perimeter of the retaining element (1) deviated from from the center of described retaining element (1), 7,8,9,10).
4. the retaining element according to Claims 2 or 3, is characterized in that, one, multiple or all link district (6,7,8,9,10) housing wall (44 of at least one inside being arranged on storage battery (30) is designed to, 47) on and/or the battery unit room (51,52,53 of storage battery, 54,55,56) on the housing wall (44,47) of at least one inside.
5. the retaining element according to any one of claim 2 to 4, it is characterized in that, one, multiple or all link district (6,7,8,9,10) be designed to be installed on the housing of storage battery (30) by means of adhesion connection, particularly by the housing (33,34) being molded, melting, weld or be bonded in storage battery (30).
6. according to retaining element in any one of the preceding claims wherein, it is characterized in that, retaining element (1) is configured to fixed bridge, described fixed bridge is designed to be arranged on battery unit room (51,52,53,54,55,56) at least two opposed walls (44) are upper and between these walls (44), form bridge thus.
7. according to retaining element in any one of the preceding claims wherein, it is characterized in that, retaining element (1) is designed to, relative to the normal mounting position of electrochemical storage cell (30) according to specification, be disposed in battery unit room (51,52,53,54,55,56) top of electrode plate groups (42) in.
8. according to retaining element in any one of the preceding claims wherein, it is characterized in that, the while that retaining element (1) being designed to, at least two of fixed plate electrode group (42) are arranged in the battery unit Connection Element (35 at the opposed stub area place of electrode plate groups (42), 36) and there are two corresponding fixed areas (4,5) for this reason.
9. according to retaining element in any one of the preceding claims wherein, it is characterized in that, retaining element (1) is symmetric design, especially about the axis of symmetry (18) specular.
10. according to retaining element in any one of the preceding claims wherein, it is characterized in that, retaining element (1) is designed to, respectively about the normal mounting position of electrochemical storage cell (30) according to specification, in vertical direction with simultaneously mechanically fixed plate electrode group (42) and/or battery unit Connection Element (35,36) in the horizontal direction.
11. according to retaining element in any one of the preceding claims wherein, it is characterized in that, retaining element (1) has at least one buffer element (16 on the downside towards the electrode plate groups that will fix (42), 17), described buffer element (16,17) be made up of a kind of material, this material has the elasticity higher than the material of retaining element (1).
12. retaining elements according to claim 11, is characterized in that, buffer element (16,17) is arranged in the first fixed area (2,3) on retaining element (1).
13. according to retaining element in any one of the preceding claims wherein, it is characterized in that, at least one having for one or more hybrid element (60) of retaining element (1) links district (19), this hybrid element is designed to the liquid electrolyte of mixing accumulator (30), and/or constructs integratedly as a component with one or more hybrid element (60).
14. according to retaining element in any one of the preceding claims wherein, it is characterized in that, retaining element (1) has at least one or more opening (12,13), this opening is designed to the splicing ear (31,32) leading to storage battery (30).
15. 1 kinds of electrochemical storage cells (30), there is housing (33, 34), wherein, this housing has one or more battery unit room (51, 52, 53, 54, 55, 56) and each battery unit room (51, 52, 53, 54, 55, 56) electrode plate groups (42) holding storage battery (30) is designed to, wherein, a grid group (42) and at least one battery unit Connection Element (35, 36) connect, this battery unit Connection Element is designed to the splicing ear (31 making electrode plate groups (42) and adjacent electrode plate groups (42) or storage battery (30), 32) electrical contact, it is characterized in that, at housing (33, 34) fixing according at least one retaining element (1) in any one of the preceding claims wherein in this wise in: namely retaining element (1) is by means of the first fixed area (2, 3) by with electrode plate groups (42) directly or indirectly Mechanical Contact carry out mechanically fixed plate electrode group (42) and by means of the second fixed area (4, 5) by with battery unit Connection Element (35, 36) directly or indirectly Mechanical Contact carrys out mechanically self-contained battery unit Connection Element (35, 36).
16. 1 kinds, for the manufacture of the method for electrochemical storage cell (30), have following steps:
The housing (33,34) of the storage battery (30) with at least one battery unit room (51,52,53,54,55,56) a) is provided,
B) electrode plate groups (42) is inserted in battery unit room (51,52,53,54,55,56),
C) before electrode plate groups being inserted in battery unit room (51,52,53,54,55,56), afterwards or period, at least one battery cell connector (35,36) is arranged in electrode plate groups (42),
D) retaining element (1) according to any one of claim 1 to 14 is inserted battery unit room (51 in this wise, 52, 53, 54, 55, 56) in: namely retaining element (1) is pressed towards electrode plate groups (42), until retaining element is by means of the first fixed area (2, 3) by with electrode plate groups directly or indirectly Mechanical Contact and mechanically fixed plate electrode group (42) and by means of the second fixed area (4, 5) by with battery unit Connection Element directly or indirectly Mechanical Contact and mechanically self-contained battery unit Connection Element (35, 36) till,
E) if desired retaining element (1) is fixed on the housing (33,34) of storage battery (30),
F) storage battery (30) is completed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013101527.1A DE102013101527B4 (en) | 2013-02-15 | 2013-02-15 | Fixing element, accumulator and method for its production |
| DE102013101527.1 | 2013-02-15 | ||
| PCT/EP2014/052793 WO2014125008A2 (en) | 2013-02-15 | 2014-02-13 | Fixing element, battery, and method for producing said battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105144426A true CN105144426A (en) | 2015-12-09 |
| CN105144426B CN105144426B (en) | 2018-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480022013.7A Active CN105144426B (en) | 2013-02-15 | 2014-02-13 | The manufacture method of retaining element, storage battery and the storage battery |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2956975B1 (en) |
| CN (1) | CN105144426B (en) |
| DE (1) | DE102013101527B4 (en) |
| WO (1) | WO2014125008A2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202019101339U1 (en) * | 2019-03-08 | 2020-06-09 | Hoppecke Batterien Gmbh & Co. Kg | Battery case and battery |
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| US4221850A (en) * | 1975-12-06 | 1980-09-09 | Robert Bosch Gmbh | Storage battery with thermoplastic casing having internal members for immobilizing the battery plates |
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| US20120052341A1 (en) * | 2010-09-01 | 2012-03-01 | Duk-Jung Kim | Rechargeable battery |
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| DE7626233U1 (en) * | 1976-08-21 | 1976-12-16 | Varta Batterie Ag, 3000 Hannover | ELECTRIC ACCUMULATOR |
| US4495259A (en) * | 1983-02-11 | 1985-01-22 | The Gates Rubber Company | Vibration resistant battery |
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| DE19939370A1 (en) | 1999-08-19 | 2001-02-22 | Vb Autobatterie Gmbh | Lead acid accumulator |
| DE10205658B4 (en) * | 2002-02-12 | 2005-10-27 | Deutsche Exide Standby Gmbh | Vibration-proof accumulator and method for its production |
| DE102010048428A1 (en) | 2010-10-15 | 2012-04-19 | Vb Autobatterie Gmbh & Co. Kgaa | Accumulator for motor vehicle, has wall element that is inserted into the chamber space of chamber such that preceding end of wall element is in contact with constriction element provided in chamber |
-
2013
- 2013-02-15 DE DE102013101527.1A patent/DE102013101527B4/en active Active
-
2014
- 2014-02-13 EP EP14704339.2A patent/EP2956975B1/en active Active
- 2014-02-13 WO PCT/EP2014/052793 patent/WO2014125008A2/en active Application Filing
- 2014-02-13 CN CN201480022013.7A patent/CN105144426B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB709254A (en) * | 1951-11-30 | 1954-05-19 | Bosch Gmbh Robert | Improvements in electric storage batteries |
| US4221850A (en) * | 1975-12-06 | 1980-09-09 | Robert Bosch Gmbh | Storage battery with thermoplastic casing having internal members for immobilizing the battery plates |
| EP0291618A1 (en) * | 1987-05-18 | 1988-11-23 | Sociedad Espanola Del Acumulador Tudor, S.A. | Electrical battery |
| JPH07201356A (en) * | 1993-12-28 | 1995-08-04 | Matsushita Electric Ind Co Ltd | Lead and battery |
| FR2921760A1 (en) * | 2007-09-28 | 2009-04-03 | Cie Europ D Accumulateurs Ceac | Battery for heavy weight vehicle, has immobilization part immobilizing accumulator element, where immobilization part is fixed to connection parts, and is interposed between stack of electrodes and adjacent partition of compartment |
| US20120052341A1 (en) * | 2010-09-01 | 2012-03-01 | Duk-Jung Kim | Rechargeable battery |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014125008A3 (en) | 2014-12-11 |
| WO2014125008A2 (en) | 2014-08-21 |
| DE102013101527B4 (en) | 2015-04-02 |
| CN105144426B (en) | 2018-04-13 |
| EP2956975A2 (en) | 2015-12-23 |
| DE102013101527A1 (en) | 2014-08-21 |
| EP2956975B1 (en) | 2017-12-20 |
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